Octavia Hatchback Rear Bumper Removal

Hi all.

My rear bumper has been bugging me for a while now so have finally decided to try and do something about it. When the car last went in to have some work done (fitting rear parking sensors) it seems that they didn't refit the rear bumper properly, so I want to have a go at refitting it myself.

I've read that it should be a relatively straightforward task, but all the links to guides from searches for previous topics on the forum are dead. So does anyone have a step-by-step guide with pictures of the rear bumper removal process? All I've got is the workshop guide which doesn't seem particularly helpful.

Thanks!